Specifications

SQ: 7-34
RS3: Service Quick Reference Guide
Input/Output
Analog Output FIC: Non-Isolated 1984--1490--0001..................
1984--1273--0001..................................................
Non-Isolated Analog Output FIC LEDs
LEDs
Meaning
DS4
TX Enable: The signal that enables the transmit signal from the Field
Interface Card to the MultiLoop Processor is active.
DS3
30V Fuse Blown: One of three fuses has blown:
F3 = digital section power regulator;
F4 = analog panel station power;
F5 = analog section power.
This LED does not indicate the status of the two fuses on the output.
DS2
Card Fault: A card fault is detected, or communications with the
MultiLoop Processor have stopped.
If a c ommunication problem occurs, the output current is held at its last
value or goes to zero.
DS1
Card Good: No card faults are detected and the MultiLoop Processor
or an analog panel station is controlling the output current.
Non-Isolated Analog Output FIC Test Points
Test Points
Meaning
Brown Ground return.
Yellow Main 5V regulator.